life
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Empire Eukaryota (Chatton, 1925)
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Protozoa Goldfuss, 1818 [paraphyletic] - protozoa
      
 Subkingdom Neozoa Cavalier-Smith, 1993 [paraphyletic]
 see Kingdom Protozoa Goldfuss, 1818
        
 Infrakingdom Discicristata Cavalier-Smith, 1998
 see Superphylum Discicristata Cavalier-Smith, 1998
          
 Phylum Euglenozoa Cavalier-Smith, 1981
            
 Subphylum Plicostoma Patterson, 1988 ex T. Cavalier-Smith, 1998
 see Phylum Euglenozoa Cavalier-Smith, 1981
              
 Superclass Diplonemia (Cavalier-Smith, 1993) Cavalier-Smith, 1998
 see Class Diplonemea Cavalier-Smith, 1993
                
 1 Genus Diplonema Griessmann, 1913